ASoC: MAINTAINERS: drop Krzysztof Kozlowski from Samsung audio

Remove Krzysztof Kozlowski from maintainer of Samsung SoC Audio drivers
and change the status to maintenance (no one is reality being paid for
looking at this).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20230513090228.4340-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>